Exam 4: Applications of Differentiation

arrow
  • Select Tags
search iconSearch Question
  • Select Tags

Find the integral using an appropriate trigonometric substitution. ∫x3x2+36dx\int \frac { x ^ { 3 } } { \sqrt { x ^ { 2 } + 36 } } d x

(Multiple Choice)
4.9/5
(79)

You are given function ff defined on an interval [a,b][ a , b ] , the number nn of subintervals of equal length Δx=(b−a)n\Delta x = \frac { ( b - a ) } { n } , and the evaluation points ckc _ { k } in [xk−1,xk]\left[ x _ { k - 1 } , x _ { k } \right] . (a) Sketch the graph of ff and the rectangles associated with the Riemann sum for ff on [a,b][ a , b ] , and (b) find the Riemann sum. f(x)=2x−3,[0,2],n=4,ckf ( x ) = 2 x - 3 , \quad [ 0,2 ] , \quad n = 4 , \quad c _ { k } is the right endpoint

(Essay)
5.0/5
(77)

Evaluate the integral if it exists. ∫(5−xx)2dx\int \left( \frac { 5 - x } { x } \right) ^ { 2 } d x

(Multiple Choice)
4.9/5
(83)

Use Part 1 of the Fundamental Theorem of Calculus to find the derivative of the function. h(x)=∫1x5z2z4+1dzh ( x ) = \int _ { 1 } ^ { \sqrt { x } } \frac { 5 z ^ { 2 } } { z ^ { 4 } + 1 } d z

(Multiple Choice)
4.8/5
(82)

Use Part 1 of the Fundamental Theorem of Calculus to find the derivative of the function. h(x)=∫1xz2z4+1dzh ( x ) = \int _ { 1 } ^ { \sqrt { x } } \frac { z ^ { 2 } } { z ^ { 4 } + 1 } d z

(Multiple Choice)
4.9/5
(75)

 Evaluate ∫03(x+9−x2)dx by interpreting it in terms of areas. \text { Evaluate } \int _ { 0 } ^ { 3 } \left( x + \sqrt { 9 - x ^ { 2 } } \right) d x \text { by interpreting it in terms of areas. }

(Short Answer)
4.8/5
(87)

Evaluate the integral ∫0z/20etan⁡5xcos⁡25xdx\int _ { 0 } ^ { z / 20 } \frac { e ^ { \tan 5 x } } { \cos ^ { 2 } 5 x } d x .

(Multiple Choice)
5.0/5
(70)

A table of values of an increasing function f(x)f ( x ) is shown. Use the table to find an upper estimate of: x f(x) 0 -46 5 -30 10 -20 15 4 20 15 25 20

(Short Answer)
4.9/5
(73)

Evaluate the definite integral. ∫0x/6sin⁡8tdt\int _ { 0 } ^ { x / 6 } \sin 8 t d t

(Multiple Choice)
4.9/5
(87)

The velocity graph of a car accelerating from rest to a speed of 7 km/h7 \mathrm {~km} / \mathrm { h } over a period of 10 seconds is shown. Estimate to the nearest integer the distance traveled during this period. Use a right sum with n=10n = 10 .  The velocity graph of a car accelerating from rest to a speed of  7 \mathrm {~km} / \mathrm { h }  over a period of 10 seconds is shown. Estimate to the nearest integer the distance traveled during this period. Use a right sum with  n = 10 .

(Short Answer)
4.8/5
(80)

Find the indefinite integral. ∫cot⁡2xcos⁡2xdx\int \frac { \cot ^ { 2 } x } { \cos ^ { 2 } x } d x

(Multiple Choice)
4.9/5
(88)

Evaluate the indefinite integral. ∫sec⁡2xtan⁡xdx\int \sec ^ { 2 } x \tan x d x

(Short Answer)
4.9/5
(83)

Evaluate the indefinite integral. ∫7ecos⁡xsin⁡xdx\int 7 e ^ { \cos x } \sin x d x

(Multiple Choice)
4.8/5
(73)

Let F(x)=∫5x5t2dtF ( x ) = \int _ { 5 } ^ { x } 5 t ^ { 2 } d t . a. Use Part 1 of the Fundamental Theorem of Calculus to find F′(x)F ^ { \prime } ( x ) . b. Use Part 2 of the Fundamental Theorem of Calculus to integrate ∫5x5t2dt\int _ { 5 } ^ { x } 5 t ^ { 2 } d t to obtain an alternative expression for F(x)F ( x ) . c. Differentiate the expression for F(x)F ( x ) found in part (b). The Fundamental Theorem of Calculus, Part 1 If ff is continuous on [a,b][ a , b ] , then the function FF defined by F(x)=∫axf(t)dta≤x≤bF ( x ) = \int _ { a } ^ { x } f ( t ) d t \quad a \leq x \leq b is differentiable on (a,b)( a , b ) , and F′(x)=ddx∫axf(t)dt=f(x)F ^ { \prime } ( x ) = \frac { d } { d x } \int _ { a } ^ { x } f ( t ) d t = f ( x ) The Fundamental Theorem of Calculus, Part 2 If ff is continuous on [a,b][ a , b ] , then ∫abf(x)dx=F(b)−F(a)\int _ { a } ^ { b } f ( x ) d x = F ( b ) - F ( a ) where FF is any antiderivative of ff , that is, Ft=fF ^ { t } = f .

(Short Answer)
4.8/5
(75)

If ∫06f(x)dx=13\int _ { 0 } ^ { 6 } f ( x ) d x = 13 and ∫04f(x)dx=7\int _ { 0 } ^ { 4 } f ( x ) d x = 7 , find ∫46f(x)dx\int _ { 4 } ^ { 6 } f ( x ) d x

(Multiple Choice)
4.7/5
(78)

Evaluate the integral. ∫06136+t2dt\int _ { 0 } ^ { 6 } \frac { 1 } { 36 + t ^ { 2 } } d t

(Multiple Choice)
4.8/5
(89)

Express the integral as a limit of sums.Then evaluate the limit. ∫0xsin⁡3xdx\int _ { 0 } ^ { x } \sin 3 x d x

(Short Answer)
4.8/5
(78)

The acceleration function of a body moving along a coordinate line is a(t)=−7cos⁡2t−8sin⁡2tt≥0a ( t ) = - 7 \cos 2 t - 8 \sin 2 t \quad t \geq 0 Find its velocity and position functions at any time tt if it is located at the origin and has an initial velocity of 4 m/sec4 \mathrm {~m} / \mathrm { sec } .

(Short Answer)
4.8/5
(78)

Express the limit as a definite integral on the given interval. lim⁡n→∞∑i=1n(6risin⁡ri)Δr,[6,12]\lim _ { n \rightarrow \infty } \sum _ { i = 1 } ^ { n } \left( 6 r _ { i } \sin r _ { i } \right) \Delta r , [ 6,12 ]

(Short Answer)
4.7/5
(77)

The marginal cost of manufacturing x yards of a certain fabric is Ct(x)=3−0.01x+0.000006x2C ^ {t } ( x ) = 3 - 0.01 x + 0.000006 x ^ { 2 } in dollars per yard. Find the increase in cost if the production level is raised from 1500 yards to 5500 yards.

(Multiple Choice)
4.9/5
(89)
Showing 41 - 60 of 77
close modal

Filters

  • Essay(0)
  • Multiple Choice(0)
  • Short Answer(0)
  • True False(0)
  • Matching(0)